What time is Artemis II coming back to Earth? How to watch the splashdown and landing. Plus, the reentry speed.

Artemis 2's Orion capsule will hit Earth's atmosphere at nearly 25,000 mph on April 10. Here's how it will survive the fiery trip.

Scientists explain how simple chemicals, deep sea vents, and meteor impacts may have helped life begin on Earth.

As the Artemis II crew continues their 10-day journey to orbit the moon, pilot Victor Glover shared an inspiring, off-the-cuff message for anyone who's following the crew's mission from back home on Earth.

There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before. In 2010, a famed ecologist, Robert May, asked a ...

Drawing ever closer to Earth, the Artemis II astronauts tidied up their lunar cruiser for its upcoming “fireball” return and reflected on their historic journey around the moon, describing it as surreal and profound.